GPL + Commercial Exceptions

[E]

At 09:11 PM 5/07/2001 -0700, David Johnson wrote:
>A good example of someone doing this is Trolltech with their Qt library. It's
>Open Source if you use it to create other Open Source software, but to create
>closed source software you need to purchase the commercial license.

Another example would be cygwin.
<http://sources.redhat.com/cygwin/licensing.html>

E.